Iridium-Doped Nanosized Zn–Al Layered Double Hydroxides as Efficient Water Oxidation Catalysts
Lucia Fagiolari, Marzia Bini, Ferdinando Costantino, Giordano Gatto, A. Jeremy Kropf, Fabio Marmottini, Morena Nocchetti, Evan C. Wegener, Francesco Zaccaria, Massimiliano Delferro, Riccardo Vivani, Alceo Macchioni
Abstract
nanoparticles. The combination of the results obtained from XAS, elemental analysis, and ionic chromatography strongly suggests that iridium is embedded in the brucite-like structure of LDHs, having four hydroxyls and two chlorides as first neighbors. These results demonstrate that nanometric LDHs can be successfully exploited to engineer efficient WOCs, minimizing the amount of iridium used, consistent with the principle of the noble-metal atom economy.
Topics & Concepts
IridiumCatalysisLayered double hydroxidesMaterials scienceNanomaterialsChemical engineeringAqueous solutionInorganic chemistryZincNoble metalMetalNanotechnologyChemistryOrganic chemistryMetallurgyEngineeringLayered Double Hydroxides Synthesis and ApplicationsAdvanced Photocatalysis TechniquesCatalytic Processes in Materials Science